How to delete win8.1 in computer dual system

  

1. Start Windows 7, click on "Start”-“Run”.

2. Enter msconfig in the Run window and click “OK”.

3. In the Open System Configuration window, select the "Boot" tab, then select the Windows 8.1 line and click the “Delete” button.

4. After closing the system configuration window, open “computer”, find the partition where Windows 8.1 is installed, right click and select “format”.

5. In this way, Windows 8.1 is completely removed from our computer. The next time you start, there will be no menu on the screen for us to choose which system to enter, but directly into Windows 7.

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